package com.ynny.jdbc01;

import com.mysql.cj.jdbc.Driver;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class JDBCDemo01 {


    public static void main(String[] args) throws SQLException {
        //1.创建一个驱动  光盘
//        new Driver()
        Driver driver = new Driver();
        //2.安装 注册 驱动
        DriverManager.registerDriver(driver);
        //3.连接
        /**
         * localhost --->本地IP  127.0.0.1
         * String url  ----->  协议 和 厂商  IP 端口
         * String user -----  用户名
         * String password    密码
         */
        String url = "jdbc:mysql://localhost:3306/db01";
        String userName = "root";
        String password = "root";
        Connection connection = DriverManager
                .getConnection(url, userName, password);
        System.out.println(connection);


    }
}
